Gabion Retaining Wall Design Example

In constructing walls individual gabions are used as construction blocks.

Gabion retaining wall design example.

In general for every 1m increase in wall height the bottom row basket depth should be increased by half a metre. Retaining wall design examples. Often local authorities require the design work to be done by a registered engineer before issuing a building consent. Gabion walls may be stepped on either the front or the back soil side face as illustrated in figure 1.

Gabion walls are most commonly filled with rocks and the voids between them are filled in with backfill materials such as silts and clay or soft clay. Here s a huge collection of gabion wall and fence examples. An engineer s design will consider the design limit states and specify the dimensions of the toe and base for your wall. Examples of gabion retaining walls geo tex geo textile filter fabric is a vital component of any gabion retaining wall project.

The main forces acting on the wall are lateral earth pressure at the back face and vertical forces which is the weight of the wall as shown in figure 4 the latter force is employed to resist the. The design of both types is based on the same principles. Gabion wall is designed in the same way as gravity retaining wall. When the gabion retaining wall is subject to a additional surcharges from a driveway or other loads the design will most likely increase the depth of the gabions to handle the higher expected loads.

Design begins with the selection of trail dimensions for a typical vertical cross section through the wall. Gabion retaining wall design guidelines most gabion retaining walls don t need concrete foundations depending on the wall height a 2 to 4 layer of compacted 1 road base crushed from either blue metal or basalt rock is all that is required for most gabion walls. Four main steps must. Gabion is mostly used to create walls and fences of all types privacy fences regular fences garden fences and used in retaining walls.

A gabion may be defined as a heavy duty rectangular wire mesh basket filled with rocks and used to construct walls and other earth retaining or erosion control structures. Other topics include sheet pile walls tilt up retaining walls soldier pile walls gabion walls counterfort walls pilaster walls and walls with pile or pier foundations. A review of basic soil. Gabion retaining wall examples more info.

Gabion baskets are a mass retaining system thus the higher the area that needs retaining the heavier the wall must be. The standard design for a gabion wall is a pyramid. Units of gabion wall are considered as one cohesive mass for design purposes.